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<?php |
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/* |
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* This file is part of the Silverback API Components Bundle Project |
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* |
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* (c) Daniel West <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace Silverback\ApiComponentsBundle\DataTransformer; |
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use ApiPlatform\Core\DataProvider\CollectionDataProviderInterface; |
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use ApiPlatform\Core\DataProvider\ContextAwareCollectionDataProviderInterface; |
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use ApiPlatform\Core\DataTransformer\DataTransformerInterface; |
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use ApiPlatform\Core\Serializer\SerializerContextBuilderInterface; |
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use ApiPlatform\Core\Util\AttributesExtractor; |
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use ApiPlatform\Core\Util\RequestParser; |
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use Silverback\ApiComponentsBundle\Entity\Component\Collection; |
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use Silverback\ApiComponentsBundle\Exception\OutOfBoundsException; |
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use Silverback\ApiComponentsBundle\Helper\Collection\CollectionHelper; |
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use Silverback\ApiComponentsBundle\Serializer\SerializeFormatResolver; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpFoundation\RequestStack; |
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use Symfony\Component\Serializer\Normalizer\NormalizerInterface; |
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/** |
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* @author Daniel West <[email protected]> |
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*/ |
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class CollectionOutputDataTransformer implements DataTransformerInterface |
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{ |
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private CollectionHelper $iriConverter; |
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private CollectionDataProviderInterface $collectionDataProvider; |
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private RequestStack $requestStack; |
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private SerializerContextBuilderInterface $serializerContextBuilder; |
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private NormalizerInterface $itemNormalizer; |
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private SerializeFormatResolver $serializeFormatResolver; |
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private string $itemsPerPageParameterName; |
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private string $paginationEnabledParameterName; |
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public function __construct(CollectionHelper $iriConverter, CollectionDataProviderInterface $collectionDataProvider, RequestStack $requestStack, SerializerContextBuilderInterface $serializerContextBuilder, NormalizerInterface $itemNormalizer, SerializeFormatResolver $serializeFormatResolver, string $itemsPerPageParameterName, string $paginationEnabledParameterName) |
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{ |
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$this->iriConverter = $iriConverter; |
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$this->collectionDataProvider = $collectionDataProvider; |
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$this->requestStack = $requestStack; |
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$this->serializerContextBuilder = $serializerContextBuilder; |
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$this->itemNormalizer = $itemNormalizer; |
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$this->serializeFormatResolver = $serializeFormatResolver; |
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$this->itemsPerPageParameterName = $itemsPerPageParameterName; |
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$this->paginationEnabledParameterName = $paginationEnabledParameterName; |
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} |
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public function supportsTransformation($data, string $to, array $context = []): bool |
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{ |
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return $data instanceof Collection && Collection::class === $to; |
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} |
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/** |
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* @param Collection $object |
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*/ |
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public function transform($object, string $to, array $context = []) |
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{ |
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$parameters = $this->iriConverter->getRouterParametersFromIri($object->getResourceIri()); |
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$attributes = AttributesExtractor::extractAttributes($parameters); |
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$request = $this->requestStack->getMasterRequest(); |
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if (!$this->collectionDataProvider instanceof ContextAwareCollectionDataProviderInterface) { |
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$collectionData = $this->collectionDataProvider->getCollection($attributes['resource_class'], $attributes['collection_operation_name']); |
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} else { |
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$filters = []; |
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if ($perPage = $object->getPerPage()) { |
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$filters[$this->itemsPerPageParameterName] = $perPage; |
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} |
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if ($requestFilters = $this->getFilters($request)) { |
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$filters = array_merge($filters, $requestFilters); |
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} |
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if (isset($filters[$this->itemsPerPageParameterName]) && $filters[$this->itemsPerPageParameterName] <= 0) { |
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$filters[$this->paginationEnabledParameterName] = false; |
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} |
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$collectionContext = ['filters' => $filters]; |
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$restoreNormalizationContext = null; |
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if ($request) { |
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// Comment copied from ApiPlatform\Core\EventListener\ReadListener |
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// Builtin data providers are able to use the serialization context to automatically add join clauses |
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$normalizationContext = $this->serializerContextBuilder->createFromRequest( |
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$request, |
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true, |
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$attributes |
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); |
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$collectionContext += $normalizationContext; |
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} |
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$collectionData = $this->collectionDataProvider->getCollection($attributes['resource_class'], Request::METHOD_GET, $collectionContext); |
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} |
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// Pagination disabled |
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if (\is_array($collectionData)) { |
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$collection = $collectionData; |
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} else { |
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if (!$collectionData instanceof \Traversable) { |
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dump('data', $collectionData); |
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throw new OutOfBoundsException('$collectionData should be Traversable'); |
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} |
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$collection = iterator_count($collectionData) ? $collectionData : null; |
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} |
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$format = $request ? $this->serializeFormatResolver->getFormatFromRequest($request) : null; |
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$normalizerContext = [ |
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'resource_class' => $attributes['resource_class'], |
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'request_uri' => $object->getResourceIri(), |
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'jsonld_has_context' => false, |
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'api_sub_level' => null, |
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'subresource_operation_name' => Request::METHOD_GET, |
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]; |
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$normalizedCollection = $this->itemNormalizer->normalize($collection, $format, $normalizerContext); |
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$object->setCollection($normalizedCollection); |
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return $object; |
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} |
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private function getFilters(?Request $request) |
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{ |
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if (!$request) { |
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return null; |
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} |
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$queryString = RequestParser::getQueryString($request); |
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return $queryString ? RequestParser::parseRequestParams($queryString) : null; |
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} |
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} |
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components-web-app /
api-components-bundle
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